Ipc - injection profile block, Ipc – injection profile block – Rockwell Automation 1771-QDC PLASTIC MOLD.MODULE User Manual

Page 122

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2–56

Command Word/Bit Descriptions

Publication 1771-6.5.88 – July 1997

Notes: 1. For [ ] engineering units, see page 3.

2. When using the Inject/Clamp/Eject mode, all pressure readings are system pressure at input 2, except where noted.

Profile Tuning Constants

Word

Description

INC49

Proportional Gain for Pressure Control [30]

INC50

Integral Gain for Pressure Control [27] or [28]

INC51

Derivative Gain for Pressure Control [26] or [21]

INC52

Proportional Gain for Velocity Control [28]

INC53

Feed Forward Gain for Velocity Control [30]

INC54 - 56

Open

Profile Pressure Alarm Setpoint

Word

Description

INC57

Profile High Ram (screw) Pressure Alarm Setpoint [01] The module compares real-time ram (screw) pressure against this entry
when executing the Injection Profile. The module sets alarm status bit SYS06-B00 when ram (screw) pressure equals or exceeds
this entry during the Injection Profile. A zero entry inhibits SYS06-B00.

INC58

Profile High Cavity Pressure Alarm Setpoint [04] The module compares real-time cavity pressure against this entry when executing
the Injection Profile. The module sets alarm status bit SYS06-B01 when cavity pressure equals or exceeds this entry during the
Injection Profile. A zero entry inhibits SYS06-B01.

INC59 - 64

Open

Bit-mapped Control Words

Word

Bit

Description

IPC01

Block ID = 00001001 (Low byte). High byte reserved for the module. Do not use.

IPC02

Open

IPC03

Configuration Selections

B00-B01

Profile Algorithm Selection

B01 B00
0 0 Vel/Pos selected
0 1 Vel/Pos (pressure limited) selected
1 0 Press/Pos selected
1 1 Press/Time selected

B02-B11

Open

Profile Offset Sign Selection

B12

= 0 Injection Velocity Profile Offset is Positive
= 1 Injection Velocity Profile Offset is Negative

B13

= 0 Injection Pressure Profile Offset is Positive
= 1 Injection Pressure Profile Offset is Negative

Velocity Units Selection

B14

= 0 Velocity Parameters in Percent Velocity
= 1 Velocity Parameters in in.(mm)/s
if:

then the module:

RESET

returns all segment velocity actuals (and assumes all velocity setpoints) in percent velocity where INC46
represents 100% velocity

SET

returns all velocity actuals (and assumes all velocity setpoints) in in.(mm)/s

B15

Open

IPC04

Configuration Selections

Open/Closed Loop Selection

B00

= 0 Vel/Pos Injection Profiles Closed Loop
= 1 Vel/Pos Injection Profiles Open Loop

IPC – Injection Profile Block

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